NDLI: Efficient synthesis of bis(indolyl)methanes, bispyrazoles and biscoumarins using 4-sulfophthalic acid

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Efficient synthesis of bis(indolyl)methanes, bispyrazoles and biscoumarins using 4-sulfophthalic acid

Content Provider	Springer Nature Link
Author	Banari, Hoda Kiyani, Hamzeh Pourali, Alireza
Copyright Year	2016
Abstract	4-Sulfophthalic acid (4-H$_{3}$SPA) solution 50 wt% in H$_{2}$O has been effectively catalyzed the synthesis of a series of biologically relevant bis(indolyl)methanes by the electrophilic substitution of indole derivatives on aldehyde compounds and 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol)s by condensing 5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one with various aldehydes under aqua conditions at room temperature. 3,3′-(Arylmethylene)-bis-4-hydroxycoumarins have also been synthesized in the presence of 0.1 mL (0.262 mmol) of 4-H$_{3}$SPA solution 50 wt% in H$_{2}$O at 80 °C. The procedure is simple and the expected bis-heterocyclic compounds were isolated in good to excellent yields. The present protocol provides the benefits of convenience, mild reaction conditions, eco-friendliness, and no use of hazardous organic solvents.
Starting Page	1635
Ending Page	1649
Page Count	15
File Format	PDF
ISSN	09226168
Journal	Research on Chemical Intermediates
Volume Number	43
Issue Number	3
e-ISSN	15685675
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-09-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bis(indolyl)methanes Bispyrazoles Biscoumarins 4-Hydroxycoumarin Indole derivatives 5-Methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one 4-Sulfophthalic acid Catalysis Physical Chemistry Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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CELLULOSE SULFURIC ACID AS A NEW, BIODEGRADABLE AND ENVIRONMENTALLY FRIENDLY BIO-POLYMER FOR SYNTHESIS OF 4,4'-(ARYLMETHYLENE)BIS(3-METHYL-1-PHENYL-1H-PYRAZOL-5-OLS)

n-Dodecylbenzene Sulfonic Acid (DBSA) as a Novel Brønsted Acid Catalyst for the Synthesis of Bis(indolyl)methanes and Bis(4-hydroxycoumarin-3-yl)methanes in Water

BiVO$_{4}$-NPs: an efficient nano-catalyst for the synthesis of biscoumarins, bis(indolyl)methanes and 3,4-dihydropyrimidin-2(1H)-ones (thiones) derivatives

Synthesis of 5-Amino-4-(2-azacycloalkylidene)-2-phenyl-2,4-dihydro-3H-pyrazol-3-ones

Synthesis, thermal transformations, and mass spectrometric fragmentation of 4,4'-[1,2-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethane-1,2-diyl]-bis(5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one)

Synthesis, thermal transformations, and mass spectrometric fragmentation of 4,4'-[1,2-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethane-1,2-diyl]-bis(5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one)

PEG-SO$_{3}$H as a new, highly efficient and homogeneous polymeric catalyst for the synthesis of bis(indolyl)methanes and 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1Hpyrazol-5-ol)s in water

Extraction & Spectrophotometric Determination of Cerium(IV) with 4-Benzoyl-2,4-dihydro-5-methyl-2-phenyl-3H- pyrazol-3-one

Efficient synthesis of bis(indolyl)methanes, bispyrazoles and biscoumarins using 4-sulfophthalic acid

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CELLULOSE SULFURIC ACID AS A NEW, BIODEGRADABLE AND ENVIRONMENTALLY FRIENDLY BIO-POLYMER FOR SYNTHESIS OF 4,4'-(ARYLMETHYLENE)BIS(3-METHYL-1-PHENYL-1H-PYRAZOL-5-OLS)

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Efficient synthesis of bis(indolyl)methanes, bispyrazoles and biscoumarins using 4-sulfophthalic acid